Home / 2,005,395.19-2,767,449.92-1,145,953.40

Finding the Fourth Proportional to 2,005,395.19, 2,767,449.92 and 1,145,953.40

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Solution

The fourth proportional to 2,005,395.19, 2,767,449.92 and 1,145,953.40 is: 1,581,418.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005,395.19 : 2,767,449.92 = 1,145,953.40 : x
  2. Step 2: Convert to fraction form
    2,005,395.19/2,767,449.92 = 1,145,953.40/x
  3. Step 3: Cross multiply
    2,005,395.19x = 2,767,449.92 × 1,145,953.40
  4. Step 4: Simplify right side
    2,005,395.19x = 3,171,368,625,586.71
  5. Step 5: Solve for x
    x = 3,171,368,625,586.71/2,005,395.19
  6. Step 6: Final answer
    x = 1,581,418.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.